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void __fastcall Tform1::btngetclick (tobject *sender) { int x,y; x = GetSystemMetrics (Sm_cxscreen); y = getsystemmetrics (Sm_cyscreen); ShowMessage ("Monitor Horizontal resolution:" + ansistring (x) + "\ n \ nthe display vertical resolution:" +

1 Preface As a RAD (Rapid application Development) tool similar to Delphi, the power of C + + Builder is not only reflected in database development, but also in application development (which is to say, the combination of these two aspects is very

In C++builder, the OUTPUTB and InputB Port read-write functions in Turbo C are not available. But there are two other ways to achieve this. This paper describes how to read and write the port under C++builder, and gives the source code of two kinds

AppendMenu Adds a menu item to the specified menus Checkmenuitem Check or Undo Check the menu entry specified Checkmenuradioitem Specifies that a menu entry is checked as a "radio" item CreateMenu

The medieval European Etiquette book said: Phlegm Don't spit on the table, do not fly over the table. "We can no longer forgive people who spit on the windows, on walls or on furniture," the European Code of etiquette and Christian courtesy said in 1

As a child, the big People's inculcation: to be honest. And really take this as a person principle. When we grow up, we know what society is. For example, 530, such as the Yan Zhao Door, when the wind began, some people refute the rumor, straight

In a database, there are times when you need to do the rollup, and then you have to sum all the records for a field, and we use the following code: By first defining a global variable I and then adding the Table1 oncalcfields event, you get the

Often such a dream: Do not know where a book seems to be no words, but the words are slowly, fade can be identified. At the same time, the reality of their own fully aware that this is a dream, very afraid of waking up, want to remember those outer

Taking notes, especially in blogs, is a waste of time. Let the speed of learning, reading by the order of magnitude of decline, when the harvest was more detailed, but does not represent the true memory of prison. A short period of time without it,

Controlling the automatic numbering or multilevel lists of Word can be a big headache for many people. Today we say, how to correctly control the automatic numbering/multilevel list function. We are here to say "hardest" multi-level list, mastered

Emphasis: Classes that contain dynamically assigned members should provide a copy constructor and overload the "=" assignment operator. Examples to be used in the following discussion: class CExample { public: CExample(){pBuffer=NULL; nSize=0;}

With the Drawing toolbar, you can draw shapes in a document, including lines, rectangles, circles, connectors, callouts, and so on. By default, the Drawing toolbar appears at the bottom of the window. First, draw graphics 1. Place the cursor where

The key is ctrl+x, the copy key is CTRL + C, the paste key is Ctrl + V, from the beginning with the help of the computer, many users have learned these first. And these three shortcuts are the most used by everyone. However, in Office Word software,

The "Find Replace" feature in Word is powerful enough to simply find replacements for a particular character or phrase and, if used in conjunction with wildcards, can achieve some of the special needs of our day-to-day office, thus greatly improving

Word is our most commonly used word processing tools, commonly used in text and table processing, in fact, this is only the basic use of Word, in fact, we can play a bit of strange thinking, using Word to dress up our desktop, bring alternative

In our daily production of Word personal resume table operation, sometimes encountered table cell size is basically fixed, but need to put more content in the cell. If you encounter a font, font size to be fixed, then how to put more text in the

Original intention--I want to say. Hello everyone! The regular expression libraries I know are: Boost, GNU, VC7, ATL, and Microsoft release Greta. After I use three kinds, Greta use the shortest time (only two days). Now I'm going to say how I

[Questions raised]: In many books and articles, it has been mentioned many times that when overloading an assignment operator (=), you return a reference to the destination (invocation) object instance (*this). One of the arguments is that it is

I want the user to hold the control key while double-clicking the program icon to start the program in a special way. However:: GetCommandLine and __ARGC have no reaction, with MFC in the ccommandlineinfo seems to be the case. Is there a way to

With the front: + + (-) There are too many confusing places, (i++) + (i++) and (++i) + (++i) What is the difference? If you understand it from the machine's point of view, it will be enlightened. Let's take a look at the procedure: int main() {